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  Home > JCE Print > Journal of Chemical Education > Issues > 1998  > April  >
In the Laboratory
Determining the Authenticity of Gemstones Using Raman Spectroscopy
Aaron Aponick, Emedio Marchozzi, Cynthia R. Johnston, and Carl T. Wigal
Lebanon Valley College of Pennsylvania, Department of Chemistry, 101 North College Avenue, Annville, PA 17003-0501
Cover
April 1998
Vol. 75 No. 4
p. 465
Abstract
The benefits of laser spectroscopy in the undergraduate curriculum have been the focus of several recent articles in this journal. Raman spectroscopy has been of particular interest since the similarities of Raman to conventional infrared spectroscopy make the interpretation of spectral data well within undergraduate comprehension. In addition, the accessibility to this technology is now within the reach of most undergraduate institutions. This paper reports the development of an experiment using Raman spectroscopy which determines the authenticity of both diamonds and pearls. The resulting spectra provide an introduction to vibrational spectroscopy and can be used in a variety of laboratory courses ranging from introductory chemistry to instrumental analysis.
More Information
*  Citation
 Aaron Aponick, Emedio Marchozzi, Cynthia R. Johnston, and Carl T. Wigal. J. Chem. Educ. 1998 75 465.
*  Keywords
 Laboratory Instruction, Instrumental Methods, Laser Spectroscopy, Spectroscopy, Raman spectroscopy
*  History
 Created:
Last Updated:		 June 25, 1999
June 24, 2005
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